MATHER FACULTY MEDICAL AFFILIATES, UNIVERSITY FACULTY PRACTICE CORP
NPI 1598607269
Internal Medicine - Gastroenterology in Port Jefferson Station, NY
About Mather Faculty Medical Affiliates, University Faculty Practice Corp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATHER FACULTY MEDICAL AFFILIATES, UNIVERSITY FACULTY PRACTICE CORP (NPI 1598607269) is a healthcare organization registered as a gastroenterology in Port Jefferson Station, New York and active in the NPI registry since April 2026. The organization maintains 6 additional practice locations and lists Sharlene Bronstorph, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 6
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mather Faculty Medical Affiliates, University Faculty Practice Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
15Medicare enrollment records show 15 clinicians reassign Medicare billing to Mather Faculty Medical Affiliates, University Faculty Practice Corp, which bills Medicare for the services they deliver. Of these, 14 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (15)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mather Faculty Medical Affiliates, University Faculty Practice Corp's NPI number?
The NPI number for Mather Faculty Medical Affiliates, University Faculty Practice Corp is 1598607269. It was assigned to this organization in the NPPES registry on April 9, 2026.
Where is Mather Faculty Medical Affiliates, University Faculty Practice Corp located?
Mather Faculty Medical Affiliates, University Faculty Practice Corp is located at 1500 Route 112 Bldg 5, Port Jefferson Station, NY 11776. The listed phone number is (631) 828-3400.
What is Mather Faculty Medical Affiliates, University Faculty Practice Corp's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Mather Faculty Medical Affiliates, University Faculty Practice Corp enrolled in Medicare?
Yes. Mather Faculty Medical Affiliates, University Faculty Practice Corp is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mather Faculty Medical Affiliates, University Faculty Practice Corp?
According to the CMS Revalidation Reassignment List (October 2026 release), 15 clinicians in 2 Medicare specialties reassign their Medicare billing to Mather Faculty Medical Affiliates, University Faculty Practice Corp. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (11) and Nurse Practitioner (4). Of these, 14 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mather Faculty Medical Affiliates, University Faculty Practice Corp was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mather Faculty Medical Affiliates, University Faculty Practice Corp · NPI 1598607269
Gastroenterology organization in Port Jefferson Station, New York. Organization record, active in the CMS NPPES registry since April 9, 2026.
## Identity
- **NPI:** 1598607269 (Entity type: Organization)
- **Enumerated:** April 9, 2026
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Sharlene Bronstorph, DIRECTOR
## Practice location
- **Address:** 1500 ROUTE 112 BLDG 5, Port Jefferson Station, NY 11776-8055
- **Phone:** (631) 828-3400 · **Fax:** (631) 828-3244
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 15 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (11), Nurse Practitioner (4); 14 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1598607269) · Data from the CMS NPPES public registry.